For citations:

Sakharova KV, Cherkasova MV, Erdes SF. Serum amyloid A as a marker of ankylosing spondylitis activity. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2021;15(6):72-75. https://doi.org/10.14412/1996-7012-2021-6-72-75